#2928)

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Simplest component of #2854

We already run ValidateBlock in finalizeCommit, so this PR removes one
extra redundant call by using ApplyVerifiedBlock. (The other call is
also redundant, but that likely requires a more complex caching strategy
as noted in #2854 to remedy)

From my understanding of these benchmarks, at Osmosis 150 validators,
this should be saving ~13ms of execution time per block.

---

#### PR checklist

- [X] Tests written/updated - Theres no test to update, as its
impossible to reach the difference in codepaths!
- [X] Changelog entry added in `.changelog` (we use
[unclog](https://github.com/informalsystems/unclog) to manage our
changelog)
- [x] Updated relevant documentation (`docs/` or `spec/`) and code
comments
- [x] Title follows the [Conventional
Commits](https://www.conventionalcommits.org/en/v1.0.0/) spec

(cherry picked from commit 94fa3c9)